Scan: Will the Fed decide differently in the next three decisions (Jul–Sep–Oct)?

date	predicted	market price	confidence
2026-09-03	69%	68%	65%
2026-08-26	47%	46%	53%
2026-08-19	44%	40%	56%

1. Planner Fable 5.1 · Fermi decomposition + tool plan

Tools chosen: polymarket_direct polymarket_related kalshi_related fred article_search claude_news code_execution

Sub-questions (Fermi decomposition)

What is the current Polymarket price on this 'Other/decide differently' outcome and which specific cut/pause combinations are listed as sibling markets (so what exactly falls into Other)?
What probability do Kalshi and Polymarket per-meeting markets assign to a rate HIKE at the July 28-29, September 15-16, and October 27-28 2026 FOMC meetings?
What is the current target federal funds rate range, and what does the latest FOMC statement, dot plot, and Fed chair guidance signal about the direction of policy for the second half of 2026?
What are the latest inflation (CPI, core PCE, breakeven) and labor market (unemployment, payrolls) readings, and do they make a hike or an unusual sequence (e.g., cut then hike) plausible?
What do fed funds futures / market pricing and Fed officials' recent speeches imply for the path of rates through October 2026?
Historically, how often has the FOMC reversed direction (hiked after a cut or vice versa) within a three-meeting window, and how often has it hiked when markets priced mainly cuts/pauses?

Planner reasoning

This market appears to be the 'Other' bucket of a Polymarket combination market over the Jul/Sep/Oct 2026 FOMC decisions — it resolves Yes if the Fed produces a cut/pause/hike combination not among the listed options, which explicitly includes any rate hike. The key drivers are the probability of any hike over the three meetings, which listed combinations exist (to know what falls into 'Other'), and current Fed guidance/inflation/labor data. Cross-market signals from Kalshi's per-meeting Fed markets and Polymarket's sibling combination markets will let us compute an implied 'Other' probability.

2. Research Parallel tool calls

tool	status	time	items	summary
polymarket_direct	OK	0.5s	1	## This Market's Polymarket Data Will the Fed decide differently in the next three decisions (Jul–Sep–Oct)? - Current price (probability): 89.50% - 7-day price change: +27.00% - 30-day price change: +50.00% - Total volume: $325,333 (USD notional) - Price range: 38.50% - 89.50% - Data points: 90
polymarket_related	OK	0.2s	1	Scanned 100 active Polymarket markets, kept 1 matches. keyword 'Fed decisions': 0 markets \| keyword 'fed rate hike': 1 markets \| keyword 'FOMC July 2026': 0 markets \| keyword 'FOMC September 2026': 0 markets \| keyword 'FOMC October 2026': 0 markets
kalshi_related	OK	3.4s	2	2 related markets / summaries. series KXFED: 0 markets (skipped 87 no-signal) \| series KXFEDDECISION: 0 markets (skipped 60 no-signal) \| series KXFEDHIKE: 0 markets (skipped 3 no-signal) \| series KXCBDECISION: 0 markets (skipped 0 no-signal) \| keyword 'fed rate hike': ok \| keyword 'FOMC July': ok \|
fred	OK	5.2s	6	Fetched 6 FRED series (lookback=365d).
article_search	OK	4.0s	26	Fetched 26 unique articles across 4 queries (lookback=45d). 'FOMC decision federal funds rate 2026': 10 articles \| 'Fed rate hike possibility 2026 inflation': 10 articles \| 'Powell press conference rate path July September October 2026': 10 articles \| 'fed funds futures pricing cuts hikes 2026': 10
claude_news	OK	24.1s	14	## Key Findings - Current rate & July 2026 decision: The Federal Open Market Committee approved the following statement for release by a 9–3 vote: The Committee decided to maintain the target range for the federal funds rate at 3-1/2 to 3-3/4 percent , with Beth M. Hammack, Neel Kashkari, and
code_execution	OK	137.4s	0	Note on inputs: The prompt didn't include explicit numeric odds, so illustrative per‑meeting probabilities consistent with an easing‑bias market were used: Jul (Cut 55% / Pause 40% / Hike 5%), Sep (Cut 50% / Pause 45% / Hike 5%), Oct (Cut 45% / Pause 50% / Hike 5%). Swap in real Kalshi/Polymarke

3. Evidence Brief Sonnet 5 · 6847 chars

# Current state The Fed held its target range at 3.50–3.75% at the July 28-29 meeting (a 9-3 vote, with three dissenters — Hammack, Kashkari, Logan — wanting a 25bp hike; the most divided FOMC vote since 2016). Since then, hawkish signals (Chair Warsh's Aug 28 Jackson Hole speech, hot August CPI released Sept 11) have pushed market-implied probability of a September 15-16 hike to ~66-85% (CME FedWatch) and ~80% (Polymarket), a sharp reversal from earlier "wait and see" pricing. Because July is already fixed as a Pause, the market ("Yes" = the three meetings will NOT all be identical) only resolves "No" if both September and October also pause — currently seen as unlikely. # Timeline of key events - 2026-06 (confirmed): June FOMC dot plot signals one 25bp hike by end-2026 (CNBC). - 2026-07-29 (confirmed): FOMC holds at 3.50–3.75%, 9-3 vote, three dissents favoring a hike (federalreserve.gov, CNBC). - 2026-08-04 (reported): CME FedWatch shows ~70% probability of a hike at the "next" meeting (CBS News). - 2026-08-12 (reported): July CPI data described as putting Fed in "wait-and-see" mode; officials flag potential rate increase ahead (CNBC). - 2026-08-23 (confirmed): Kashkari (Face the Nation) reaffirms openness to a 25bp hike, citing 5 years of high inflation and Mideast conflict risk to energy prices. - 2026-08-28 (confirmed): Warsh's Jackson Hole speech raises September-hike odds from ~33% to >50% (NPR), CME FedWatch to 55.7% (CNBC). - 2026-08-31 (reported): CME FedWatch hike probability rises to 66%; Barclays forecasts hikes in both September and December (Forbes). - 2026-09-08 (reported): Market-implied Sept hike probability ~60% (CNN); bond-market volatility over Fed's reaction function. - 2026-09-11 (confirmed): August CPI +0.4% MoM headline, +0.3% core — reinforces hike expectations (Investing.com/Mish Shedlock). - 2026-09-12/14 (reported): CME FedWatch hike probability 85.5%; Polymarket ~80% hike / 21% hold for Sept 16 meeting. - 2026-09-15/16 (upcoming): FOMC meeting — decision not yet in dataset. # Event Will the FOMC's decisions across the Jul 28-29, Sep 15-16, and Oct 27-28 2026 meetings NOT all be identical (i.e., will the Fed "decide differently" across the three)? # Outcomes to forecast Yes / No # Kalshi market anchor This event's own ticker (tracked here via polymarket_direct, same ticker ID) shows current YES price **89.5%**, up sharply from 38.5% low over the trailing 90 days (+27% in 7d, +50% in 30d). Volume $325k. No separate kalshi_direct quote was returned in this research pull; this Polymarket-native price is the effective anchor. # Sub-question answers 1. **Polymarket "Other" combos** — Not directly located; no explicit sibling combination-market (CCC/CCP/etc.) listing was found. A related market "Fed rate hike in 2026?" prices Yes at 92.5% (Polymarket), consistent with elevated hike odds feeding into "different" outcome pricing. 2. **Per-meeting hike probability** — July: hike did not occur (held, confirmed). September: ~85.5% (CME FedWatch, Sep 12) / ~80% (Polymarket). October: no isolated figure; cumulative "hike by October" priced 87-100%, and Barclays expects hikes in Sept + Dec (implying Oct could be a pause between two hikes). 3. **Current rate & guidance** — Target range 3.50–3.75% (FRED DFEDTARU/DFEDTARL, unchanged since July). June dot plot signaled one 2026 hike; Warsh's Aug 28 Jackson Hole remarks signaled inflation concern and openness to hiking "as early as next month." 4. **Inflation/labor data** — CPI index rising steadily (June 332.6 → Aug 334.1, FRED); core PCE rising each month (130.1→130.7, FRED); August CPI printed 0.4% MoM/0.3% core (Sep 11 release) — hot enough to support a hike case. Unemployment steady/improving at 4.1% (Aug 2026, FRED), down from 4.3-4.4% earlier in the year — labor market not signaling need for cuts. 5. **Futures/officials** — CME FedWatch and Polymarket both show high (66-85%+) hike odds for September; Kashkari and Warsh both hawkish; Barclays models two hikes (Sept, Dec) in 2026. 6. **Historical base rate** — Per code-execution analysis, a strict hike-then-cut (or cut-then-hike) reversal within a 3-meeting window has ~0% historical precedent (1990-2025); however, transitions from prolonged pause to hike (the current scenario) are common historically and not "reversals" in that stricter sense. # Key facts (high-confidence, factual) 1. [federalreserve.gov/CNBC] July 29 2026: FOMC held rate at 3.50-3.75%, 9-3 vote, 3 dissents for hike. 2. [FRED] Current target range 3.50-3.75%, unchanged as of mid-Sept 2026. 3. [FRED] CPI and core PCE both trending upward through Aug 2026; unemployment 4.1% (Aug). 4. [CME FedWatch/Investing.com, Sep 12] 85.5% probability assigned to a September hike. 5. [Polymarket, per claude_news] ~80% hike / 21% hold priced for Sept 16 meeting. # Cross-market signals - Kalshi related: KXFEDFUNDSYEAR contracts (2034-2036 year-end targets) showing volatile upward repricing (+18-26% 7d) consistent with hawkish shift, but not meeting-specific. - Polymarket: "Fed rate hike in 2026?" trading 92.5% Yes (volume $9.3M) — strongly corroborates hike expectation baked into this market's 89.5% price. - Sportsbook implied: N/A. # Analyst opinions and speculation - Barclays: expects hikes in both September and December 2026 (50bp total), implying October may be a pause sandwiched between hikes — still a "differing" sequence overall. - U.S. Bank (Farrar): "next move is likely up" after a year of no cuts. - CNN/Brookings: Warsh criticized for unclear "reaction function," adding uncertainty to path beyond September. # Directional lean per outcome - **Yes (differs)**: Strongly supported — July fixed as Pause; Sept hike priced 66-85%; hot CPI, hawkish Warsh/Kashkari commentary, Barclays multi-hike call. Market already at 89.5% and rising sharply. - **No (all identical)**: Requires both Sept and Oct to pause (matching July) — increasingly unlikely given current hike pricing (~15% Sept-pause probability), though not impossible if inflation data cools or geopolitical/oil shocks fade. # Gaps / unknowns - No confirmed Kalshi-native quote for this exact ticker (research only shows Polymarket price). - September 16 decision itself not yet resolved as of data cutoff — all pricing is forward-looking. - October-specific hike/pause odds not clearly isolated from cumulative "by October" figures. - Historical base-rate model in code_execution used illustrative, not live, per-meeting inputs — directional only, not precise. # Calibration anchors - Polymarket/event YES price: 89.5% (anchor), up from 38.5% low over 90 days. - Historical precedent: no modern (1990-2025) 3-meeting hike/cut reversal, but pause-to-hike transitions after divided votes (e.g., 2004, 2015-16 cycles) are common — supports plausibility of Yes without requiring an unprecedented reversal.

4. Forecasters Fable 5.1 + GPT-5.6 Sol · in parallel

claude-fable-5-1

63% conf

Yes	89%
No	11%

July is fixed as a hold (9-3 vote with three hawkish dissents), so 'No' requires both September and October to also hold. CME FedWatch prices a September hike at ~85% and Polymarket at ~80%, driven by Warsh's hawkish Jackson Hole speech and a hot August CPI (+0.4% headline, +0.3% core), with unemployment at 4.1% offering no dovish counterweight. Even if September holds (~15-20%), the hawkish trajectory and 'Fed rate hike in 2026' at 92.5% imply a meaningful chance October hikes instead, leaving roughly a 10% path to 'No'. This aligns closely with the 89.5% market anchor, which I see as fairly priced given the remaining data-dependence before Sept 16.

gpt-5.6-sol

76% conf

Yes	90%
No	10%

July is already documented as a pause, so Yes requires only a hike in either September or October, while No requires both meetings to pause. September hike pricing of roughly 80–85.5%, three July dissents favoring a hike, hot August inflation, and hawkish official guidance all point toward Yes; the related 2026 hike market at 92.5% provides additional corroboration. October-specific pricing is missing, but it supplies another opportunity for a differing decision if September pauses. I therefore stay close to the 89.5% event-market anchor, nudging Yes to 90%.

5. Devil's Advocate Sonnet 5 · red-team critique

Both forecasters converge tightly on the 89.5% anchor (0.89/0.90) without independently stress-testing it — neither explores why the market jumped from 38.5% to 89.5% in 90 days so fast, which could indicate overreaction to a single hawkish speech (Warsh) and hot CPI print that could reverse if September data or geopolitical risk shifts before the meeting.

Neither forecast addresses the scenario where September hikes AND October also hikes (or cuts) — i.e., they frame "No" only as double-pause, but don't discuss whether a Sept-hike-then-Oct-cut reversal (which the brief says has ~0% historical precedent per the code-execution base rate) should pull some probability mass out of "Yes" if such an outcome were somehow miscounted, or conversely how a Sept-hike-then-Oct-hike path (Barclays' explicit call for Sept+Dec hikes, implying Oct pause) actually still counts as "differs" and reinforces Yes — this mechanical point is under-explained by both.

Both treat the "Fed rate hike in 2026?" Polymarket market at 92.5% as corroborating evidence, but this is a different question (any hike in 2026, not the specific 3-meeting-identical framing) and could include hikes in November/December meetings not covered by this event — using it as a tight anchor risks conflating cumulative annual hike odds with the narrower Jul-Sep-Oct sequence.

Neither forecaster flags the Barclays scenario explicitly enough as a potential source of "No" risk: if Barclays is right that hikes occur in *both* September and December (not October), and October itself pauses, then the sequence would be Pause-Hike-Pause — which still counts as "Yes" (not identical) but the brief's phrasing "October could be a pause sandwiched between hikes" suggests forecasters should have explicitly ruled out any way this maps to "No" rather than just asserting it "still counts as differing" without showing the logic.

Both forecasts note "October-specific pricing is missing" as a gap but neither adjusts confidence downward for this data gap — a full 90% probability assumes strong information for both remaining meetings when only September has robust market pricing (85.5%/80%), while October is inferred only via cumulative bets, warranting slightly more uncertainty/spread than both display.

Neither forecast considers tail risk from the hawkish dissent dynamic itself: the July 9-3 vote with three hawks could presage internal Fed pressure toward hiking in September specifically to placate dissenters, potentially *increasing* the chance of a Sept hike followed by an Oct pause (needed to avoid overtightening) — a plausible dynamic neither explores despite it being highly consistent with "differs" (Yes) but via a different causal path than sustained hawkishness.

6. Aggregator Fable 5.1 · final calibrated forecast

89% (70% confidence)

Yes: 89% No: 11%

July is fixed as a pause, so 'No' requires both September and October to also pause; every other path (hike in either meeting) resolves Yes. September hike pricing of ~80-85% (CME FedWatch/Polymarket), a hot August CPI, hawkish Warsh/Kashkari guidance, and three July dissents for a hike make a September pause roughly a 15-20% event, and conditional on that pause October still carries a meaningful hike probability given the cumulative 'hike by October' pricing near 87%+. The critique's points largely reinforce Yes mechanically (Pause-Hike-Pause and Pause-Hike-Hike both differ) and the concern about rapid market repricing is a legitimate but modest reason not to exceed the anchor. I therefore hold near the 89.5% market anchor at 0.89 Yes / 0.11 No, with the No mass reflecting the double-pause scenario if data cools before Sept 16 and October then holds.

Pipeline Timing

Total pipeline time: 273.0s

Per-tool research timings shown in the Research section above.